meaning of injections
1.  The act of injecting or throwing in; -- applied particularly to the forcible throwing in of a liquid, or aeriform body, by means of a syringe, pump, etc. 
2.  That which is injected; especially, a liquid medicine thrown into a cavity of the body by a syringe or pipe; a clyster; an enema. 
3.  The act or process of filling vessels, cavities, or tissues with a fluid or other substance. 
4.  A specimen prepared by injection. 
5.  The act of throwing cold water into a condenser to produce a vacuum. 
6.  The cold water thrown into a condenser. 
7.  the forceful insertion of a substance under pressure
						 
